Where does “ר־ו־ם” come from?

ר־ו־ם (Aramaic) comes from Proto-Semitic *rayam- — to be high, to be raised, to be on top.

Ancestry of “ר־ו־ם”, step by step

StepLanguageWordMeaning
1Proto-Semitic*rayam-to be high, to be raised, to be on top
Every word from Proto-Semitic *rayam-